.border-top{
    position: relative;
}
.border-top:after{
    content:'';
    position: absolute;
    width: 100%;
    height: 1px ;
    background: #eee;
    left: 0;
    top: 0;
}
.border-right{
    position: relative;
}
.border-right:after{
    content:'';
    position: absolute;
    width: 1px;
    height: 100% ;
    background: #eee;
    right: 0;
    top: 0;
}